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Re: [TowerTalk] Vertical plans

To: W5CPT <>,
Subject: Re: [TowerTalk] Vertical plans
From: Jim Hoge <>
Date: Sun, 6 Apr 2008 07:46:02 -0700 (PDT)
List-post: <">>
  Why settle for a loaded vertical if you are in the country? You are only 
talking another ~20' of height for a full sized 1/4 wave antenna. If you do 
proceed with this design, consider doubling up the tubing at the top of the 
vertical where it is drilled for the tophat. Also consider something more 
electrically and mechanically sound than just putting hose clamps on the tophat 
elements to hold them in place. Over time, wind induced vibrations may widen 
the holes through which the tophat passes, leading to failure either 
mechanically or electrically- in this case giving you an intermittantly non 
resonant antenna. As for base loading with a coil, consider multiple taps 
switched in and out to give you the bandwidth you desire.
  Jim W5QM


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